<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/html">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <title>系统人数</title>
</head>
<body>
    <div id="getNum">
        <h1>当前系统人数：</h1>
        <el-input  v-model="num" @change="$forceUpdate()" disabled ></el-input>
        <button type="button" @click="logout">退出</button>
    </div>

    <!-- 引入 vue -->
    <script src="../js/vue.js"></script>
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>
    <!-- 引入 axios -->
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
    <script src="../js/num.js"></script>
</body>
</html>